{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["Disease", "Chemical"], "input": "OBJECTIVE : To quantify specific clinical predictors of reduction in renal function in patients with CHF who are prescribed angiotensin - converting enzyme inhibitor therapy ."}
{"Disease": ["reduction in renal function", "CHF"], "Chemical": ["angiotensin"]}